CN216193612U - Bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness - Google Patents
Bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness Download PDFInfo
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- CN216193612U CN216193612U CN202122473914.8U CN202122473914U CN216193612U CN 216193612 U CN216193612 U CN 216193612U CN 202122473914 U CN202122473914 U CN 202122473914U CN 216193612 U CN216193612 U CN 216193612U
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Abstract
The utility model discloses a high-strength and high-toughness bamboo-carbon fiber composite material 3D printing wire, which comprises a bamboo-carbon fiber bundle core, a bamboo powder-nylon composite material and a bamboo powder-polylactic acid composite material from inside to outside. The bamboo fiber and carbon fiber bundle core is formed by spirally winding, the bamboo powder-nylon composite material is solidified on the periphery of the bamboo-carbon fiber bundle core, and the bamboo powder-polylactic acid composite material is solidified on the outermost layer of the wire. The wire has the advantages of high strength and high toughness, and can be used as a stiffening material and engineering structure reinforcement of 3D printed concrete.
Description
Technical Field
The utility model relates to the technical field of engineering structure reinforcement, in particular to a bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness for a 3D printing concrete stiffening material.
Background
The 3D printing technique is a revolutionary, digital additive manufacturing technique that manufactures three-dimensional objects by the additive layer-by-layer addition of materials. The 3D printing technology is gradually applied to many fields such as aerospace, medical treatment, building and the like. In the building field, the construction period can be greatly shortened by adopting the 3D printing technology to reinforce the engineering structure. The printing material is generally selected from high-strength and high-toughness materials, such as metal materials and ceramic materials. These two materials, while strong, are expensive.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-strength high-toughness bamboo-carbon fiber composite material 3D printing wire which is used for reinforcing materials and engineering structures of 3D printing concrete and has the advantages of complex forming, high strength and low cost.
The technical scheme adopted by the utility model is as follows: a high-strength and high-toughness bamboo-carbon fiber composite material 3D printing wire comprises a bundle core, a bamboo powder-nylon composite material layer and a bamboo powder-polylactic acid composite material layer from inside to outside;
the bundle core comprises a carbon fiber bundle core and a bamboo fiber bundle core, and the carbon fiber bundle core and the bamboo fiber bundle core are formed by single-strand fiber bundles or formed by spirally winding a plurality of strands of fiber bundles; the number of single-stranded fiber bundles is 6000-12000, and the number of single-stranded fibers in the three-stranded fiber bundle and the seven-stranded fiber bundle is 3000-6000 and 1000-3000 respectively;
the thickness of the bamboo powder-nylon composite material layer is 1-1.5 times of the diameter or thickness of the bundle core;
the thickness of the bamboo powder-polylactic acid composite material layer is 1-2.0 times of the diameter or thickness of the bamboo fiber and carbon fiber bundle core.
The bamboo fiber and carbon fiber bundle core is solidified and shaped after being soaked in the molten state bamboo powder-nylon composite material in a straightening state.
Preferably, the carbon fiber bundle core and the bamboo fiber bundle core have a diameter of 1 mm.
Preferably, the bamboo fiber of the bamboo fiber bundle core is moso bamboo fiber.
Preferably, the wire rod is of a circular cross section, the diameter of the bamboo powder-nylon composite material layer is 4mm, and the outer diameter of a circular ring of the bamboo powder-polylactic acid composite material layer is 3 mm.
Preferably, the wire rod is of a square cross section, the side length of the bamboo powder-nylon composite material layer is 4mm, and the outer diameter of the square ring of the bamboo powder-polylactic acid composite material layer is 3 mm.
Has the advantages that: the wire rod has the advantages of high strength and high toughness, and can be used as a stiffening material of 3D printing concrete and engineering structure reinforcement.
Drawings
FIG. 1 is a schematic structural diagram of a bamboo-carbon fiber composite 3D printing wire with a circular cross section and high strength and high toughness according to the utility model;
fig. 2 is a schematic structural diagram of a bamboo-carbon fiber composite 3D printing wire with a square cross section and high strength and toughness according to the present invention.
Wherein 1 represents a carbon fiber bundle core, 2 represents a bamboo fiber bundle core, 3 represents a bamboo powder-nylon composite material layer, and 4 represents a bamboo powder-polylactic acid composite material layer.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
In the case of the example 1, the following examples are given,
fig. 1 shows a high-strength high-toughness 3D printing wire made of a bamboo-carbon fiber composite material, which comprises a bundle core, a bamboo powder-nylon composite material layer 3 and a bamboo powder-polylactic acid composite material layer 4 from inside to outside;
the core bundle comprises a carbon fiber bundle core 1 and a bamboo fiber bundle core 2, and the carbon fiber bundle core 1 and the bamboo fiber bundle core 2 are formed by single-strand fiber bundles or formed by spirally winding multiple strands of fiber bundles; the number of single-stranded fiber bundles is 6000-12000, and the number of single-stranded fibers in the three-stranded fiber bundle and the seven-stranded fiber bundle is 3000-6000 and 1000-3000 respectively;
the thickness of the bamboo powder-nylon composite material layer 3 is 1-1.5 times of the diameter or thickness of the bundle core;
the thickness of the bamboo powder-polylactic acid composite material layer 4 is 1-2.0 times of the diameter or thickness of the bamboo fiber and carbon fiber bundle core.
The wire manufacturing process comprises the following steps:
A. the carbon fiber bundle is T300 tows produced by Chinese building materials, and 3k carbon fibers are spirally wound to obtain a carbon fiber bundle core with the diameter of 1 mm.
B. The bamboo fiber bundle is made of common moso bamboo fibers, and 3k bamboo fibers are spirally wound to obtain a bamboo fiber bundle core with the diameter of 1 mm.
C. Preparing bamboo powder and nylon mixture, wherein the nylon is PA11 model produced by Nippon Dongli company, and the bamboo powder is powder obtained by grinding Phyllostachys pubescens. The bamboo powder and nylon are melt mixed at 185 ℃.
D. Straightening the carbon fiber bundle core and the bamboo fiber bundle core by using a straightening machine, and soaking the carbon fiber bundle core and the bamboo fiber bundle core in molten bamboo powder and nylon composite materials to prepare a bamboo powder and nylon mixture layer with the diameter of 4mm containing the carbon fiber bundle and the bamboo fiber bundle.
E. Preparing a mixture of bamboo powder and polylactic acid, and melting and mixing the bamboo powder and the polylactic acid at the temperature of 176 ℃.
F. Wrapping bamboo powder with the diameter of 4mm, nylon mixture and bamboo powder with the outer diameter of a circular ring of 3mm and polylactic acid composite material to obtain the bamboo-carbon fiber composite material 3D printing wire with the diameter of 7mm and high strength and toughness.
Example 2
As shown in fig. 2, this embodiment is different from embodiment 1 in that: the wire is of square cross-section.
The embodiments of the present invention are described in detail above with reference to the drawings, but the present invention is not limited to the described embodiments. It will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a bamboo-carbon fiber composite 3D printing wire rod of high strength high tenacity which characterized in that: the wire comprises a bundle core, a bamboo powder-nylon composite material layer and a bamboo powder-polylactic acid composite material layer from inside to outside;
the bundle core comprises a carbon fiber bundle core and a bamboo fiber bundle core, and the carbon fiber bundle core and the bamboo fiber bundle core are formed by single-strand fiber bundles or formed by spirally winding a plurality of strands of fiber bundles; the number of single-stranded fiber bundles is 6000-12000, and the number of single-stranded fibers in the three-stranded fiber bundle and the seven-stranded fiber bundle is 3000-6000 and 1000-3000 respectively;
the thickness of the bamboo powder-nylon composite material layer is 1-1.5 times of the diameter or thickness of the bundle core;
the thickness of the bamboo powder-polylactic acid composite material layer is 1-2.0 times of the diameter or thickness of the bamboo fiber and carbon fiber bundle core.
2. The high-strength high-toughness bamboo-carbon fiber composite material 3D printing wire rod as claimed in claim 1, wherein: the diameter of the carbon fiber bundle core and the bamboo fiber bundle core is 1 mm.
3. The high-strength high-toughness bamboo-carbon fiber composite material 3D printing wire rod as claimed in claim 1, wherein: the bamboo fiber of the bamboo fiber bundle core is moso bamboo fiber.
4. The high-strength high-toughness bamboo-carbon fiber composite material 3D printing wire rod as claimed in claim 1, wherein: the wire rod is of a circular cross section, the diameter of the bamboo powder-nylon composite material layer is 4mm, and the outer diameter of a circular ring of the bamboo powder-polylactic acid composite material layer is 3 mm.
5. The high-strength high-toughness bamboo-carbon fiber composite material 3D printing wire rod as claimed in claim 1, wherein: the wire rod is of a square cross section, the side length of the bamboo powder-nylon composite material layer is 4mm, and the outer diameter of the square ring of the bamboo powder-polylactic acid composite material layer is 3 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122473914.8U CN216193612U (en) | 2021-10-14 | 2021-10-14 | Bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122473914.8U CN216193612U (en) | 2021-10-14 | 2021-10-14 | Bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216193612U true CN216193612U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122473914.8U Active CN216193612U (en) | 2021-10-14 | 2021-10-14 | Bamboo-carbon fiber composite 3D printing wire rod with high strength and high toughness |
Country Status (1)
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| CN (1) | CN216193612U (en) |
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2021
- 2021-10-14 CN CN202122473914.8U patent/CN216193612U/en active Active
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